<html>
<head>
<base href="https://llvm.org/bugs/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Instcombine tries to create invalid cast to vector"
href="https://llvm.org/bugs/show_bug.cgi?id=31250">31250</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Instcombine tries to create invalid cast to vector
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Loop Optimizer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>kfischer@college.harvard.edu
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Bugpoint reduced test case:
```
; ModuleID = 'bugpoint-reduced-simplified.bc'
source_filename = "bugpoint-output-666e457.bc"
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
%Dual = type { %Dual.72, %Partials.73 }
%Dual.72 = type { double, %Partials }
%Partials = type { [2 x double] }
%Partials.73 = type { [2 x %Dual.72] }
; Function Attrs: sspreq
define void @"julia_axpy!_65480"() {
top:
%VectorGep14 = getelementptr inbounds %Dual, %Dual* undef, <8 x i64> undef,
i32 1, i32 0, i64 0, i32 1, i32 0, i64 0
%0 = bitcast <8 x double*> %VectorGep14 to <8 x i64*>
unreachable
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"Debug Info Version", i32 3}
```
Error:
```
opt -instcombine <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Need to add product version numbers"
href="show_bug.cgi?id=1">bug1</a>-reduced.ll -S
opt: /data/keno/llvm/lib/IR/Instructions.cpp:2998: static
llvm::Instruction::CastOps llvm::CastInst::getCastOpcode(const llvm::Value*,
bool, llvm::Type*, bool): Assertion `DestBits == SrcBits && "Illegal cast to
vector (wrong type or size)"' failed.
```
Working on a patch.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>